3589368 - Error: "Entry YYY does not exist in TCURC (check entry)", during the activation of Best Practice content, scope item 1SG

You would like to activate/install the SAP Best Practices (BP) configuration content (scope item 1SG) for your solution, but you get an error, that "Activation stopped with an error".

The error occurs at node 2AZ(XX) - Currency Translation for Consolidation --> SIMG_CFMENUORFBOBBS - Define Translation Ratios for Currency Translation

Upon checking the error further, you get error messages like "Entry YYY does not exist in TCURC (check entry)".
("YYY" referring to different currencies.)

SAP S/4HANA Finance for Group Reporting

Group Reporting, Best Practice, 1SG, scope item, activation, error, SIMG_CFMENUORFBOBBS, 2AZ (XX), TCURC, OY03 , KBA , FIN-CS-CNT , S4H Best Practices for Consolidation , Problem